OPA4188_15 Datasheet, PDF (10/28 Pages) Texas Instruments – 0.03-μV/°C Drift, Low-Noise, Rail-to-Rail Output,36-V, Zero-Drift OPERATIONAL AMPLIFIERS

OPA4188
SBOS641B – JUNE 2012 – REVISED MARCH 2013
TYPICAL CHARACTERISTICS (continued)
V_S = ±18 V, V_CM = V_S / 2, R_LOAD = 10 kΩ connected to V_S / 2, and C_L = 100 pF, unless otherwise noted.
PSRR vs TEMPERATURE
0.1-Hz TO 10-Hz NOISE
1
0.8
5 Typical Units Shown
V_SUPPLY = ±2 V to ±18 V
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
Peak-to-Peak Noise = 250 nV
-1
-55 -35 -15 5 25 45 65 85 105 125 150
Time (1 s/div)
Temperature (°C)
Figure 13.
Figure 14.
www.ti.com
INPUT VOLTAGE NOISE SPECTRAL DENSITY vs
FREQUENCY
100
THD+N RATIO vs FREQUENCY
0.01
-80
V_OUT = 1 V_RMS
BW = 80 kHz
10
1
0.1
1
10
100
1k
10k 100k
Frequency (Hz)
Figure 15.
THD+N vs OUTPUT AMPLITUDE
0.1
-60
BW = 80 kHz
0.01
-80
0.001
-100
0.0001
0.00001
0.01
G = +1, R_L = 10 kW
G = -1, R_L = 10 kW
0.1
1
Output Amplitude (V_RMS)
Figure 17.
-120
-140
10 20
0.001
-100
0.0001
-120
0.00001
10
G = +1, R_L = 10 kW
G = -1, R_L = 10 kW
100
1k
Frequency (Hz)
Figure 16.
-140
10k 20k
QUIESCENT CURRENT vs SUPPLY VOLTAGE
0.5
0.48
0.46
0.44
0.42
0.4
0.38
0.36
0.34
0.32
Specified Supply-Voltage Range
0.3
0 4 8 12 16 20 24 28 32 36
Supply Voltage (V)
Figure 18.
10
Submit Documentation Feedback
Product Folder Links: OPA4188
Copyright © 2012–2013, Texas Instruments Incorporated